ˈsherəd ə nˌīt noun
( -s )
Etymology: Sheridan county, Wyo., its locality + English -ite
: a mineral (Mg 9 Al 3 )(Al 3 Si 5 )O 20 (OH) 16 of the chlorite group consisting of pale greenish colorless basic silicate of magnesium and aluminum
ˈsherəd ə nˌīt noun
( -s )
Etymology: Sheridan county, Wyo., its locality + English -ite
: a mineral (Mg 9 Al 3 )(Al 3 Si 5 )O 20 (OH) 16 of the chlorite group consisting of pale greenish colorless basic silicate of magnesium and aluminum
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012